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Finding the Fourth Proportional to 593.42, 818.90 and 331.44

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Solution

The fourth proportional to 593.42, 818.90 and 331.44 is: 457.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.42 : 818.90 = 331.44 : x
  2. Step 2: Convert to fraction form
    593.42/818.90 = 331.44/x
  3. Step 3: Cross multiply
    593.42x = 818.90 × 331.44
  4. Step 4: Simplify right side
    593.42x = 271,416.22
  5. Step 5: Solve for x
    x = 271,416.22/593.42
  6. Step 6: Final answer
    x = 457.38

Related Problems

Find fourth proportional to 296.71, 409.45 and 165.72
Half scale
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Double scale
Find fourth proportional to 594.42, 820.28 and 332.44
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.