Home / 740.16-1,110.30-307.35

Finding the Fourth Proportional to 740.16, 1,110.30 and 307.35

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Solution

The fourth proportional to 740.16, 1,110.30 and 307.35 is: 461.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    740.16 : 1,110.30 = 307.35 : x
  2. Step 2: Convert to fraction form
    740.16/1,110.30 = 307.35/x
  3. Step 3: Cross multiply
    740.16x = 1,110.30 × 307.35
  4. Step 4: Simplify right side
    740.16x = 341,250.71
  5. Step 5: Solve for x
    x = 341,250.71/740.16
  6. Step 6: Final answer
    x = 461.05

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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.