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Finding the Fourth Proportional to 614.41, 915.58 and 612.13

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Solution

The fourth proportional to 614.41, 915.58 and 612.13 is: 912.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.41 : 915.58 = 612.13 : x
  2. Step 2: Convert to fraction form
    614.41/915.58 = 612.13/x
  3. Step 3: Cross multiply
    614.41x = 915.58 × 612.13
  4. Step 4: Simplify right side
    614.41x = 560,455.03
  5. Step 5: Solve for x
    x = 560,455.03/614.41
  6. Step 6: Final answer
    x = 912.18

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.