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Finding the Fourth Proportional to 468.64, 703.14 and 225.10

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Solution

The fourth proportional to 468.64, 703.14 and 225.10 is: 337.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.64 : 703.14 = 225.10 : x
  2. Step 2: Convert to fraction form
    468.64/703.14 = 225.10/x
  3. Step 3: Cross multiply
    468.64x = 703.14 × 225.10
  4. Step 4: Simplify right side
    468.64x = 158,276.81
  5. Step 5: Solve for x
    x = 158,276.81/468.64
  6. Step 6: Final answer
    x = 337.74

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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.