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Finding the Fourth Proportional to 593.55, 818.72 and 427.50

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Solution

The fourth proportional to 593.55, 818.72 and 427.50 is: 589.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.55 : 818.72 = 427.50 : x
  2. Step 2: Convert to fraction form
    593.55/818.72 = 427.50/x
  3. Step 3: Cross multiply
    593.55x = 818.72 × 427.50
  4. Step 4: Simplify right side
    593.55x = 349,998.71
  5. Step 5: Solve for x
    x = 349,998.71/593.55
  6. Step 6: Final answer
    x = 589.68

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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.