Home / 841.23-1,261.89-293.46

Finding the Fourth Proportional to 841.23, 1,261.89 and 293.46

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Solution

The fourth proportional to 841.23, 1,261.89 and 293.46 is: 440.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    841.23 : 1,261.89 = 293.46 : x
  2. Step 2: Convert to fraction form
    841.23/1,261.89 = 293.46/x
  3. Step 3: Cross multiply
    841.23x = 1,261.89 × 293.46
  4. Step 4: Simplify right side
    841.23x = 370,314.24
  5. Step 5: Solve for x
    x = 370,314.24/841.23
  6. Step 6: Final answer
    x = 440.21

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1.5x scale

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.