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Finding the Fourth Proportional to 412.10, 615.52 and 373.00

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Solution

The fourth proportional to 412.10, 615.52 and 373.00 is: 557.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    412.10 : 615.52 = 373.00 : x
  2. Step 2: Convert to fraction form
    412.10/615.52 = 373.00/x
  3. Step 3: Cross multiply
    412.10x = 615.52 × 373.00
  4. Step 4: Simplify right side
    412.10x = 229,590.09
  5. Step 5: Solve for x
    x = 229,590.09/412.10
  6. Step 6: Final answer
    x = 557.12

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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.