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Finding the Fourth Proportional to 526.39, 726.71 and 473.19

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Solution

The fourth proportional to 526.39, 726.71 and 473.19 is: 653.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    526.39 : 726.71 = 473.19 : x
  2. Step 2: Convert to fraction form
    526.39/726.71 = 473.19/x
  3. Step 3: Cross multiply
    526.39x = 726.71 × 473.19
  4. Step 4: Simplify right side
    526.39x = 343,871.90
  5. Step 5: Solve for x
    x = 343,871.90/526.39
  6. Step 6: Final answer
    x = 653.26

Related Problems

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Double scale
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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.