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Finding the Fourth Proportional to 373.36, 556.37 and 349.06

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Solution

The fourth proportional to 373.36, 556.37 and 349.06 is: 520.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.36 : 556.37 = 349.06 : x
  2. Step 2: Convert to fraction form
    373.36/556.37 = 349.06/x
  3. Step 3: Cross multiply
    373.36x = 556.37 × 349.06
  4. Step 4: Simplify right side
    373.36x = 194,206.51
  5. Step 5: Solve for x
    x = 194,206.51/373.36
  6. Step 6: Final answer
    x = 520.16

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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.