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Finding the Fourth Proportional to 580.48, 870.94 and 375.44

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Solution

The fourth proportional to 580.48, 870.94 and 375.44 is: 563.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    580.48 : 870.94 = 375.44 : x
  2. Step 2: Convert to fraction form
    580.48/870.94 = 375.44/x
  3. Step 3: Cross multiply
    580.48x = 870.94 × 375.44
  4. Step 4: Simplify right side
    580.48x = 326,985.71
  5. Step 5: Solve for x
    x = 326,985.71/580.48
  6. Step 6: Final answer
    x = 563.30

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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.