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Finding the Fourth Proportional to 593.55, 819.12 and 445.92

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Solution

The fourth proportional to 593.55, 819.12 and 445.92 is: 615.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.55 : 819.12 = 445.92 : x
  2. Step 2: Convert to fraction form
    593.55/819.12 = 445.92/x
  3. Step 3: Cross multiply
    593.55x = 819.12 × 445.92
  4. Step 4: Simplify right side
    593.55x = 365,261.99
  5. Step 5: Solve for x
    x = 365,261.99/593.55
  6. Step 6: Final answer
    x = 615.39

Related Problems

Find fourth proportional to 296.78, 409.56 and 222.96
Half scale
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Double scale
Find fourth proportional to 594.55, 820.50 and 446.92
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.