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Finding the Fourth Proportional to 565.38, 848.88 and 555.66

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Solution

The fourth proportional to 565.38, 848.88 and 555.66 is: 834.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    565.38 : 848.88 = 555.66 : x
  2. Step 2: Convert to fraction form
    565.38/848.88 = 555.66/x
  3. Step 3: Cross multiply
    565.38x = 848.88 × 555.66
  4. Step 4: Simplify right side
    565.38x = 471,688.66
  5. Step 5: Solve for x
    x = 471,688.66/565.38
  6. Step 6: Final answer
    x = 834.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.