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Finding the Fourth Proportional to 581.18, 870.03 and 375.14

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Solution

The fourth proportional to 581.18, 870.03 and 375.14 is: 561.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    581.18 : 870.03 = 375.14 : x
  2. Step 2: Convert to fraction form
    581.18/870.03 = 375.14/x
  3. Step 3: Cross multiply
    581.18x = 870.03 × 375.14
  4. Step 4: Simplify right side
    581.18x = 326,385.23
  5. Step 5: Solve for x
    x = 326,385.23/581.18
  6. Step 6: Final answer
    x = 561.60

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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.