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Finding the Fourth Proportional to 562.31, 776.04 and 341.32

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Solution

The fourth proportional to 562.31, 776.04 and 341.32 is: 471.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.31 : 776.04 = 341.32 : x
  2. Step 2: Convert to fraction form
    562.31/776.04 = 341.32/x
  3. Step 3: Cross multiply
    562.31x = 776.04 × 341.32
  4. Step 4: Simplify right side
    562.31x = 264,877.97
  5. Step 5: Solve for x
    x = 264,877.97/562.31
  6. Step 6: Final answer
    x = 471.05

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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.