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Finding the Fourth Proportional to 598.79, 826.25 and 474.77

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Solution

The fourth proportional to 598.79, 826.25 and 474.77 is: 655.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.79 : 826.25 = 474.77 : x
  2. Step 2: Convert to fraction form
    598.79/826.25 = 474.77/x
  3. Step 3: Cross multiply
    598.79x = 826.25 × 474.77
  4. Step 4: Simplify right side
    598.79x = 392,272.21
  5. Step 5: Solve for x
    x = 392,272.21/598.79
  6. Step 6: Final answer
    x = 655.11

Related Problems

Find fourth proportional to 299.39, 413.12 and 237.38
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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.