Home / 750.12-1,125.24-230.16

Finding the Fourth Proportional to 750.12, 1,125.24 and 230.16

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Solution

The fourth proportional to 750.12, 1,125.24 and 230.16 is: 345.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    750.12 : 1,125.24 = 230.16 : x
  2. Step 2: Convert to fraction form
    750.12/1,125.24 = 230.16/x
  3. Step 3: Cross multiply
    750.12x = 1,125.24 × 230.16
  4. Step 4: Simplify right side
    750.12x = 258,985.24
  5. Step 5: Solve for x
    x = 258,985.24/750.12
  6. Step 6: Final answer
    x = 345.26

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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.