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Finding the Fourth Proportional to 1,064.91, 1,597.01 and 448.50

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Solution

The fourth proportional to 1,064.91, 1,597.01 and 448.50 is: 672.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064.91 : 1,597.01 = 448.50 : x
  2. Step 2: Convert to fraction form
    1,064.91/1,597.01 = 448.50/x
  3. Step 3: Cross multiply
    1,064.91x = 1,597.01 × 448.50
  4. Step 4: Simplify right side
    1,064.91x = 716,258.99
  5. Step 5: Solve for x
    x = 716,258.99/1,064.91
  6. Step 6: Final answer
    x = 672.60

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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.