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Finding the Fourth Proportional to 751.99, 1,037.66 and 437.19

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Solution

The fourth proportional to 751.99, 1,037.66 and 437.19 is: 603.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    751.99 : 1,037.66 = 437.19 : x
  2. Step 2: Convert to fraction form
    751.99/1,037.66 = 437.19/x
  3. Step 3: Cross multiply
    751.99x = 1,037.66 × 437.19
  4. Step 4: Simplify right side
    751.99x = 453,652.39
  5. Step 5: Solve for x
    x = 453,652.39/751.99
  6. Step 6: Final answer
    x = 603.27

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1.5x scale

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.