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Finding the Fourth Proportional to 612.59, 914.43 and 567.53

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Solution

The fourth proportional to 612.59, 914.43 and 567.53 is: 847.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    612.59 : 914.43 = 567.53 : x
  2. Step 2: Convert to fraction form
    612.59/914.43 = 567.53/x
  3. Step 3: Cross multiply
    612.59x = 914.43 × 567.53
  4. Step 4: Simplify right side
    612.59x = 518,966.46
  5. Step 5: Solve for x
    x = 518,966.46/612.59
  6. Step 6: Final answer
    x = 847.17

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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.