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Finding the Fourth Proportional to 963.03, 1,437.58 and 846.26

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Solution

The fourth proportional to 963.03, 1,437.58 and 846.26 is: 1,263.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    963.03 : 1,437.58 = 846.26 : x
  2. Step 2: Convert to fraction form
    963.03/1,437.58 = 846.26/x
  3. Step 3: Cross multiply
    963.03x = 1,437.58 × 846.26
  4. Step 4: Simplify right side
    963.03x = 1,216,566.45
  5. Step 5: Solve for x
    x = 1,216,566.45/963.03
  6. Step 6: Final answer
    x = 1,263.27

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1.5x scale

Why These Related Problems?

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