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Finding the Fourth Proportional to 1,564.32, 2,346.39 and 468.71

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Solution

The fourth proportional to 1,564.32, 2,346.39 and 468.71 is: 703.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564.32 : 2,346.39 = 468.71 : x
  2. Step 2: Convert to fraction form
    1,564.32/2,346.39 = 468.71/x
  3. Step 3: Cross multiply
    1,564.32x = 2,346.39 × 468.71
  4. Step 4: Simplify right side
    1,564.32x = 1,099,776.46
  5. Step 5: Solve for x
    x = 1,099,776.46/1,564.32
  6. Step 6: Final answer
    x = 703.04

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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.