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Finding the Fourth Proportional to 737.51, 1,111.75 and 635.63

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Solution

The fourth proportional to 737.51, 1,111.75 and 635.63 is: 958.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    737.51 : 1,111.75 = 635.63 : x
  2. Step 2: Convert to fraction form
    737.51/1,111.75 = 635.63/x
  3. Step 3: Cross multiply
    737.51x = 1,111.75 × 635.63
  4. Step 4: Simplify right side
    737.51x = 706,661.65
  5. Step 5: Solve for x
    x = 706,661.65/737.51
  6. Step 6: Final answer
    x = 958.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.