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Finding the Fourth Proportional to 950.30, 1,417.54 and 935.18

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Solution

The fourth proportional to 950.30, 1,417.54 and 935.18 is: 1,394.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.30 : 1,417.54 = 935.18 : x
  2. Step 2: Convert to fraction form
    950.30/1,417.54 = 935.18/x
  3. Step 3: Cross multiply
    950.30x = 1,417.54 × 935.18
  4. Step 4: Simplify right side
    950.30x = 1,325,655.06
  5. Step 5: Solve for x
    x = 1,325,655.06/950.30
  6. Step 6: Final answer
    x = 1,394.99

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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.