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Finding the Fourth Proportional to 619.16, 852.98 and 432.32

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Solution

The fourth proportional to 619.16, 852.98 and 432.32 is: 595.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    619.16 : 852.98 = 432.32 : x
  2. Step 2: Convert to fraction form
    619.16/852.98 = 432.32/x
  3. Step 3: Cross multiply
    619.16x = 852.98 × 432.32
  4. Step 4: Simplify right side
    619.16x = 368,760.28
  5. Step 5: Solve for x
    x = 368,760.28/619.16
  6. Step 6: Final answer
    x = 595.58

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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.