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Finding the Fourth Proportional to 950.04, 1,307.70 and 913.14

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Solution

The fourth proportional to 950.04, 1,307.70 and 913.14 is: 1,256.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.04 : 1,307.70 = 913.14 : x
  2. Step 2: Convert to fraction form
    950.04/1,307.70 = 913.14/x
  3. Step 3: Cross multiply
    950.04x = 1,307.70 × 913.14
  4. Step 4: Simplify right side
    950.04x = 1,194,113.18
  5. Step 5: Solve for x
    x = 1,194,113.18/950.04
  6. Step 6: Final answer
    x = 1,256.91

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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.