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Finding the Fourth Proportional to 1,148.88, 1,715.00 and 1,063.22

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Solution

The fourth proportional to 1,148.88, 1,715.00 and 1,063.22 is: 1,587.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148.88 : 1,715.00 = 1,063.22 : x
  2. Step 2: Convert to fraction form
    1,148.88/1,715.00 = 1,063.22/x
  3. Step 3: Cross multiply
    1,148.88x = 1,715.00 × 1,063.22
  4. Step 4: Simplify right side
    1,148.88x = 1,823,408.41
  5. Step 5: Solve for x
    x = 1,823,408.41/1,148.88
  6. Step 6: Final answer
    x = 1,587.12

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.