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Finding the Fourth Proportional to 442.76, 610.40 and 373.10

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Solution

The fourth proportional to 442.76, 610.40 and 373.10 is: 514.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    442.76 : 610.40 = 373.10 : x
  2. Step 2: Convert to fraction form
    442.76/610.40 = 373.10/x
  3. Step 3: Cross multiply
    442.76x = 610.40 × 373.10
  4. Step 4: Simplify right side
    442.76x = 227,740.24
  5. Step 5: Solve for x
    x = 227,740.24/442.76
  6. Step 6: Final answer
    x = 514.36

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Find fourth proportional to 221.38, 305.20 and 186.55
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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.