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Finding the Fourth Proportional to 751.99, 1,130.52 and 607.52

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Solution

The fourth proportional to 751.99, 1,130.52 and 607.52 is: 913.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    751.99 : 1,130.52 = 607.52 : x
  2. Step 2: Convert to fraction form
    751.99/1,130.52 = 607.52/x
  3. Step 3: Cross multiply
    751.99x = 1,130.52 × 607.52
  4. Step 4: Simplify right side
    751.99x = 686,816.34
  5. Step 5: Solve for x
    x = 686,816.34/751.99
  6. Step 6: Final answer
    x = 913.33

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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.