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Finding the Fourth Proportional to 567.92, 847 and 558.20

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Solution

The fourth proportional to 567.92, 847 and 558.20 is: 832.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.92 : 847 = 558.20 : x
  2. Step 2: Convert to fraction form
    567.92/847 = 558.20/x
  3. Step 3: Cross multiply
    567.92x = 847 × 558.20
  4. Step 4: Simplify right side
    567.92x = 472,795.40
  5. Step 5: Solve for x
    x = 472,795.40/567.92
  6. Step 6: Final answer
    x = 832.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.