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Finding the Fourth Proportional to 1,301.12, 1,950.59 and 607.43

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Solution

The fourth proportional to 1,301.12, 1,950.59 and 607.43 is: 910.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301.12 : 1,950.59 = 607.43 : x
  2. Step 2: Convert to fraction form
    1,301.12/1,950.59 = 607.43/x
  3. Step 3: Cross multiply
    1,301.12x = 1,950.59 × 607.43
  4. Step 4: Simplify right side
    1,301.12x = 1,184,838.65
  5. Step 5: Solve for x
    x = 1,184,838.65/1,301.12
  6. Step 6: Final answer
    x = 910.63

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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.