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Finding the Fourth Proportional to 527.69, 727.53 and 432.81

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Solution

The fourth proportional to 527.69, 727.53 and 432.81 is: 596.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    527.69 : 727.53 = 432.81 : x
  2. Step 2: Convert to fraction form
    527.69/727.53 = 432.81/x
  3. Step 3: Cross multiply
    527.69x = 727.53 × 432.81
  4. Step 4: Simplify right side
    527.69x = 314,882.26
  5. Step 5: Solve for x
    x = 314,882.26/527.69
  6. Step 6: Final answer
    x = 596.72

Related Problems

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Double scale
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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.