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Finding the Fourth Proportional to 552.69, 760.86 and 468.27

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Solution

The fourth proportional to 552.69, 760.86 and 468.27 is: 644.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    552.69 : 760.86 = 468.27 : x
  2. Step 2: Convert to fraction form
    552.69/760.86 = 468.27/x
  3. Step 3: Cross multiply
    552.69x = 760.86 × 468.27
  4. Step 4: Simplify right side
    552.69x = 356,287.91
  5. Step 5: Solve for x
    x = 356,287.91/552.69
  6. Step 6: Final answer
    x = 644.64

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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.